pengerjaan hitung bilangan pecahan 1.2per 40persen 0,3 1per4

•1,2 = 1¹/5 =6/5
6/5 : 40% = 5/6 × 40% = 8%

•0,31 = 31/100
31/100 : 4 = 31/100 × ¼ = 31/400